Template:Selected anniversaries/February 14: Difference between revisions

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||1490 – Valentin Friedland, German scholar and educationist of the Reformation (d. 1556)
||1490 – Valentin Friedland, German scholar and educationist of the Reformation (d. 1556)


||Teresa Cohen (b. February 14, 1892) was an American mathematician. Pic.
||Teresa Cohen (b. February 14, 1892) was an American mathematician. Invited to join the faculty of Pennsylvania State University in 1920, she advanced to the rank of full professor; after her mandatory retirement in 1962, she maintained an office in the Department of Mathematics and tutored students for free until 1985 at the age of 94. Pic.


||1502 – Spanish Inquisition: The Catholic Monarchs issue a decree forcing Muslims in Granada to convert to Catholicism or leave Spain.
||1502 – Spanish Inquisition: The Catholic Monarchs issue a decree forcing Muslims in Granada to convert to Catholicism or leave Spain.

Revision as of 18:50, 10 July 2018

  • 1855: Texas is linked by telegraph to the rest of the United States, with the completion of a connection between New Orleans and Marshall, Texas.

    1855: Texas is linked by telegraph to the rest of the United States, with the completion of a connection between New Orleans and Marshall, Texas.

  • 1876: Alexander Graham Bell applies for a patent for the telephone, as does Elisha Gray.

    1876: Alexander Graham Bell applies for a patent for the telephone, as does Elisha Gray.

  • 1904: Engineer and inventor Charles William Oatley born. He will develop of one of the first commercial scanning electron microscopes.

    1904: Engineer and inventor Charles William Oatley born. He will develop of one of the first commercial scanning electron microscopes.

  • 1943: Mathematician David Hilbert dies. He discovered and developed a broad range of fundamental ideas in many areas, including invariant theory and the axiomatization of geometry.

    1943: Mathematician David Hilbert dies. He discovered and developed a broad range of fundamental ideas in many areas, including invariant theory and the axiomatization of geometry.

  • 1944: Physicist and academic Owen Willans Richardson uses thermionic theory to compute optimal Valentine's Day card.

    1944: Physicist and academic Owen Willans Richardson uses thermionic theory to compute optimal Valentine's Day card.

  • 1950: Physicist and engineer Karl Guthe Jansky dies. He was one of the founding figures of radio astronomy.

    1950: Physicist and engineer Karl Guthe Jansky dies. He was one of the founding figures of radio astronomy.

  • 1951: Theoretical physicist and crime-fighter Richard Feynman uses principles of quantum electrodynamics to compose state-of-the-art Valentine's Day cards.

    1951: Theoretical physicist and crime-fighter Richard Feynman uses principles of quantum electrodynamics to compose state-of-the-art Valentine's Day cards.

  • 1990: The Voyager 1 spacecraft takes the photograph of planet Earth later become famous as Pale Blue Dot.

    1990: The Voyager 1 spacecraft takes the photograph of planet Earth later become famous as Pale Blue Dot.

  • 2017: Steganographic analysis of famed illustration Alice and Niles Dancing reveals three terabytes of love letters between mathematicians Alice Beta and Niles Cartouchian.

    2017: Steganographic analysis of famed illustration Alice and Niles Dancing reveals three terabytes of love letters between mathematicians Alice Beta and Niles Cartouchian.

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